Home / 2,946.24-4,063.92-2,415.36

Finding the Fourth Proportional to 2,946.24, 4,063.92 and 2,415.36

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Solution

The fourth proportional to 2,946.24, 4,063.92 and 2,415.36 is: 3,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.24 : 4,063.92 = 2,415.36 : x
  2. Step 2: Convert to fraction form
    2,946.24/4,063.92 = 2,415.36/x
  3. Step 3: Cross multiply
    2,946.24x = 4,063.92 × 2,415.36
  4. Step 4: Simplify right side
    2,946.24x = 9,815,829.81
  5. Step 5: Solve for x
    x = 9,815,829.81/2,946.24
  6. Step 6: Final answer
    x = 3,331.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.